how to convert .jpg file to .dat file

hello, i am working on edge detection as i want .dat file as a input for my architecture .please can you tell me how to convert .jpg file(pixels) into .dat file.please help me regarding this problem its very urgent..

[Laurent]

What do you mean by converting to a .dat file? Do you simply want to change the file extension, or do you also want to change the format of the file? Please explain a bit more.

And you should also read this: http://www.mathworks.com/matlabcentral/answers/29922-why-your-question-is-not-urgent-or-an-emergency